JP2015079990A5

JP2015079990A5 -

Info

Publication number: JP2015079990A5
Application number: JP2014257123A
Authority: JP
Filing date: 2014-12-19
Publication date: 2016-02-04
Anticipated expiration: 2032-11-29

Claims

A lower magnetic body,
Primary and secondary lower patterns provided in a spiral form alongside the lower magnetic body;
A lower insulating layer covering the primary and secondary lower patterns;
Primary and secondary upper patterns that are electrically connected to the primary and secondary lower patterns, respectively, and are provided in a spiral form on the lower insulating layer alongside the primary and secondary lower patterns. ,
An upper magnetic body provided on the primary and secondary upper patterns,
The primary and secondary upper patterns are coil components having portions that intersect the primary and secondary lower patterns on a plane.

The coil component according to claim 1, wherein the primary and secondary upper patterns are arranged to be different from an arrangement of the primary and secondary lower patterns.

The coil component according to claim 2, wherein the primary and secondary upper patterns are arranged so as to be positioned in a space between the patterns of the primary and secondary lower patterns at the intersecting portions.

The lower insulating layer includes a primary coating layer covering the primary and secondary lower patterns, and a secondary coating layer for planarizing an upper surface of the primary coating layer. Coil parts as described in.

The coil component according to claim 1, wherein the primary and secondary lower patterns have a width greater than that of the primary and secondary upper patterns.

The width of the innermost pattern and the outermost pattern among the primary and secondary lower patterns is provided larger than the width of a pattern positioned between the innermost pattern and the outermost pattern. The coil component described.

The coil component according to claim 1, wherein the primary and secondary upper patterns are formed in a spiral shape that is continuous from the primary and secondary lower patterns and has the same number of windings.

8. The output side of the outermost pattern in the primary and secondary upper patterns is provided to be positioned on a pattern adjacent to the inner side of the outermost pattern in the primary and secondary lower patterns. Coil parts as described in.

2. The coil component according to claim 1, further comprising a resistance tuning unit that is provided so as to be enlarged from a part of the outermost pattern of a long pattern among the primary and secondary lower patterns.

The coil component according to claim 1, wherein the primary and secondary upper patterns and the primary and secondary lower patterns are electrically connected through vias.

The coil component according to claim 1, wherein the upper magnetic body extends to the center of the primary and secondary upper patterns and the primary and secondary lower patterns.

Forming a lower magnetic body;
Forming primary and secondary lower patterns in a spiral form alongside each other on the lower magnetic body;
Forming a lower insulating layer on the primary and secondary lower patterns;
On the lower insulating layer, the primary and secondary lower surfaces have portions that intersect with the primary and secondary lower patterns on a plane in a spiral form corresponding to the primary and secondary lower patterns. Forming an upper pattern;
Forming an upper magnetic body on the primary and secondary upper patterns;
The manufacturing method of the coil components containing these.

The method of manufacturing a coil component according to claim 12, wherein the primary and secondary upper patterns are provided so as to be different from an arrangement of the primary and secondary lower patterns.

The method of manufacturing a coil component according to claim 13, wherein the primary and secondary upper patterns are provided so as to be located in a space between the patterns of the primary and secondary lower patterns at the intersecting portions.

Forming the lower insulating layer comprises:
Forming a primary coating layer on the primary and secondary lower patterns;
The method for manufacturing a coil component according to claim 12, further comprising: forming a secondary coating layer on the primary coating layer.

The method of manufacturing a coil component according to claim 12, wherein the primary and secondary lower patterns have a width greater than that of the primary and secondary upper patterns.

The width of the innermost pattern and the outermost pattern among the primary and secondary lower patterns may be larger than the width of the pattern positioned between the innermost pattern and the outermost pattern. The manufacturing method of the coil components of description.

The method of manufacturing a coil component according to claim 12, wherein the primary and secondary upper patterns are continuous from the primary and secondary lower patterns and are formed in a spiral shape having the same number of windings.

19. The output side of the outermost pattern in the primary and secondary upper patterns is provided to be positioned on a pattern adjacent to the inner side of the outermost pattern in the primary and secondary lower patterns. The manufacturing method of the coil components as described in 2.

Forming the primary and secondary lower patterns comprises:
The method of manufacturing a coil component according to claim 12, further comprising a step of enlarging a part of the outermost pattern of a long pattern among the primary and secondary lower patterns to form a resistance tuning portion.

The method of manufacturing a coil component according to claim 12, wherein forming the primary and secondary upper patterns includes electrically connecting the primary and secondary lower patterns through vias.

The method of manufacturing a coil component according to claim 12, wherein the step of forming the upper magnetic body includes a step of extending to the center of the primary and secondary upper patterns and the primary and secondary lower patterns.